:root{
  --bg:#f7f9f8;--surface:#fff;--surface-2:#f0f4f2;--ink:#10211a;--muted:#5b6b64;--faint:#839089;
  --line:#dfe7e3;--line-strong:#cbd7d1;--accent:#17a673;--accent-2:#0c7d72;--accent-ink:#08724e;
  --accent-soft:#e3f5ed;--navy:#102c27;--shadow:0 22px 60px -32px rgba(11,52,39,.32);
  --display:'Sora','PingFang SC','Microsoft YaHei',system-ui,sans-serif;
  --body:'IBM Plex Sans','PingFang SC','Microsoft YaHei',system-ui,sans-serif;
  --mono:'IBM Plex Mono',ui-monospace,'Cascadia Code',monospace
}
@media(prefers-color-scheme:dark){:root{--bg:#09110e;--surface:#101b17;--surface-2:#15231d;--ink:#edf4f0;--muted:#9dafa6;--faint:#74877d;--line:#203129;--line-strong:#30443a;--accent:#3ad99a;--accent-2:#27b7a7;--accent-ink:#66e3ad;--accent-soft:#102c21;--navy:#071c17;--shadow:0 24px 70px -30px rgba(0,0,0,.9)}}
*{box-sizing:border-box}html{scroll-behavior:smooth;scroll-padding-top:84px}body{margin:0;background:var(--bg);color:var(--ink);font-family:var(--body);line-height:1.65;-webkit-font-smoothing:antialiased;overflow-x:hidden}body:before{content:"";position:absolute;inset:0 0 auto;height:720px;pointer-events:none;background:radial-gradient(circle at 83% 8%,color-mix(in srgb,var(--accent) 14%,transparent),transparent 30%),radial-gradient(circle at 9% 0%,color-mix(in srgb,var(--accent-2) 8%,transparent),transparent 22%)}
.wrap{width:min(1120px,calc(100% - 48px));margin-inline:auto;position:relative}h1,h2,h3{font-family:var(--display);letter-spacing:-.04em;margin:0;text-wrap:balance}p{margin:0}a{color:inherit}:focus-visible{outline:3px solid color-mix(in srgb,var(--accent) 45%,transparent);outline-offset:3px}
header{position:sticky;top:0;z-index:20;background:color-mix(in srgb,var(--bg) 80%,transparent);backdrop-filter:blur(18px);border-bottom:1px solid color-mix(in srgb,var(--line) 75%,transparent)}.nav{height:72px;display:flex;align-items:center;justify-content:space-between;gap:18px}.brand{display:flex;align-items:center;gap:10px;font-family:var(--display);font-weight:700;font-size:16px;text-decoration:none}.brand-mark{width:31px;height:31px;display:grid;place-items:center;border-radius:10px;background:linear-gradient(145deg,var(--accent),var(--accent-2));box-shadow:0 8px 18px -8px var(--accent)}.brand-mark:after{content:"";width:10px;height:10px;border-radius:50%;background:#d9fff0;box-shadow:0 0 0 4px rgba(255,255,255,.14)}.brand-tag{color:var(--faint);font:500 12px/1 var(--mono)}.nav-meta{display:flex;align-items:center;gap:8px}.nav-link{font-size:13.5px;font-weight:600;text-decoration:none;border:1px solid var(--line);background:var(--surface);padding:8px 12px;border-radius:10px}.nav-link:hover{border-color:var(--accent);color:var(--accent-ink)}.lang{position:relative}.lang:after{content:"⌄";position:absolute;right:10px;top:50%;transform:translateY(-58%);color:var(--faint);pointer-events:none}.lang select{appearance:none;font:13px var(--body);color:var(--ink);background:var(--surface);border:1px solid var(--line);border-radius:10px;padding:8px 28px 8px 11px}
.hero{min-height:610px;display:grid;grid-template-columns:1.05fr .95fr;gap:72px;align-items:center;padding:72px 0}.crumb{display:inline-flex;align-items:center;gap:9px;color:var(--faint);font:500 11px/1 var(--mono);letter-spacing:.12em;text-transform:uppercase;text-decoration:none;margin-bottom:27px}.crumb:before{content:"←";font-size:14px}.crumb:hover{color:var(--accent-ink)}.product-name{display:flex;align-items:center;gap:16px;margin-bottom:24px}.product-icon{width:62px;height:62px;border-radius:18px;object-fit:cover;box-shadow:0 16px 30px -18px rgba(0,70,50,.6)}.product-name strong{font:600 17px/1.25 var(--display)}.product-name span{display:block;color:var(--faint);font:11px/1.5 var(--mono);margin-top:4px}.status{display:inline-flex;align-items:center;gap:7px;padding:6px 10px;border-radius:99px;background:var(--accent-soft);color:var(--accent-ink);font:500 10px/1 var(--mono);margin-left:auto}.status:before{content:"";width:6px;height:6px;border-radius:50%;background:currentColor}.status.soon{background:var(--surface-2);color:var(--faint)}h1{font-size:clamp(42px,6vw,68px);line-height:1.06;letter-spacing:-.06em}.lede{color:var(--muted);font-size:18px;line-height:1.75;max-width:610px;margin-top:22px}.actions{display:flex;flex-wrap:wrap;gap:10px;margin-top:31px}.btn{display:inline-flex;align-items:center;justify-content:center;gap:9px;padding:14px 18px;border-radius:11px;border:1px solid transparent;text-decoration:none;font:600 13px/1 var(--display);transition:.2s ease}.btn-primary{background:var(--ink);color:var(--bg);box-shadow:0 12px 24px -15px var(--ink)}.btn-primary:after{content:"↓"}.btn-primary:hover{background:var(--accent-ink);color:#fff;transform:translateY(-1px)}.btn-ghost{background:var(--surface);border-color:var(--line-strong)}.btn-ghost:after{content:"↓"}.btn-ghost:hover{border-color:var(--accent);color:var(--accent-ink)}.btn.disabled{opacity:.48;pointer-events:none}.facts{display:flex;flex-wrap:wrap;gap:20px 28px;margin-top:26px;color:var(--muted);font-size:12px}.facts span{display:flex;align-items:center;gap:7px}.facts span:before{content:"✓";color:var(--accent-ink);font-weight:700}
.visual{position:relative;min-height:430px;display:grid;place-items:center}.visual:before{content:"";position:absolute;width:360px;height:360px;border-radius:42% 58% 59% 41%/47% 40% 60% 53%;background:linear-gradient(145deg,color-mix(in srgb,var(--accent) 17%,var(--surface)),color-mix(in srgb,var(--accent-2) 8%,var(--surface)));animation:drift 9s ease-in-out infinite alternate}.window{position:relative;width:min(100%,405px);overflow:hidden;border:1px solid var(--line-strong);border-radius:24px;background:color-mix(in srgb,var(--surface) 94%,transparent);box-shadow:0 34px 80px -28px rgba(6,50,37,.42);backdrop-filter:blur(14px);transform:rotate(-2deg)}.window-bar{height:45px;border-bottom:1px solid var(--line);display:flex;align-items:center;padding:0 17px;gap:7px}.window-bar i{width:8px;height:8px;border-radius:50%;background:var(--line-strong)}.window-bar span{margin-left:auto;color:var(--faint);font:500 9px/1 var(--mono);letter-spacing:.12em}.window-body{padding:27px}.ui-title{display:flex;align-items:center;gap:13px;font:600 17px/1.2 var(--display)}.ui-title img{width:48px;height:48px;border-radius:14px}.ui-panel{margin-top:22px;padding:17px;border-radius:14px;background:var(--surface-2);border:1px solid var(--line)}.ui-row{display:flex;align-items:center;justify-content:space-between;gap:18px}.ui-label{color:var(--faint);font:10px/1.4 var(--mono);letter-spacing:.06em}.ui-value{font:600 13px/1.4 var(--display)}.switch{width:43px;height:24px;border-radius:99px;background:var(--accent);padding:3px}.switch:after{content:"";display:block;width:18px;height:18px;margin-left:19px;border-radius:50%;background:#fff;box-shadow:0 2px 5px rgba(0,0,0,.18)}.meter{height:6px;margin-top:17px;border-radius:99px;background:var(--line);overflow:hidden}.meter:after{content:"";display:block;width:74%;height:100%;background:linear-gradient(90deg,var(--accent),var(--accent-2))}
.tackpix-showcase{position:relative;width:min(100%,540px);padding:10px 36px 88px 0}.tackpix-showcase img{display:block;border:1px solid color-mix(in srgb,var(--line-strong) 82%,transparent);background:#fff;box-shadow:0 28px 70px -30px rgba(6,50,37,.48)}.tackpix-capture{position:relative;width:100%;border-radius:20px;transform:rotate(-1.2deg)}.tackpix-pin{position:absolute;right:0;bottom:0;width:68%;border-radius:15px;transform:rotate(1.6deg);box-shadow:0 24px 55px -26px rgba(6,50,37,.62)!important}
.section{padding:92px 0;border-top:1px solid var(--line)}.section-head{max-width:670px;margin-bottom:36px}.kicker{color:var(--accent-ink);font:500 11px/1 var(--mono);letter-spacing:.14em;text-transform:uppercase}.section h2{font-size:clamp(30px,4vw,46px);line-height:1.14;margin-top:13px}.section-head p{color:var(--muted);margin-top:15px}.grid{display:grid;grid-template-columns:repeat(3,1fr);gap:14px}.card{background:var(--surface);border:1px solid var(--line);border-radius:18px;padding:24px;min-height:174px}.num{display:grid;place-items:center;width:31px;height:31px;border-radius:9px;background:var(--surface-2);color:var(--accent-ink);font:500 10px/1 var(--mono);margin-bottom:23px}.card h3{font-size:15px;margin-bottom:7px}.card p{color:var(--muted);font-size:13.5px;line-height:1.55}.feature-spotlights{display:grid;gap:18px;margin-top:22px}.feature-spotlight{position:relative;isolation:isolate;display:grid;grid-template-columns:minmax(220px,.72fr) minmax(0,1.28fr);align-items:center;gap:42px;overflow:hidden;padding:38px;border:1px solid var(--line);border-radius:26px;background:linear-gradient(135deg,var(--surface),color-mix(in srgb,var(--accent-soft) 58%,var(--surface)));box-shadow:var(--shadow)}.feature-spotlight:before{content:"";position:absolute;z-index:-1;width:290px;height:290px;right:-95px;bottom:-150px;border-radius:50%;background:color-mix(in srgb,var(--accent) 12%,transparent)}.spotlight-reverse{grid-template-columns:minmax(0,1.28fr) minmax(220px,.72fr);background:linear-gradient(225deg,var(--surface),color-mix(in srgb,var(--accent-soft) 58%,var(--surface)))}.spotlight-reverse .spotlight-copy{order:2}.spotlight-reverse .product-preview{order:1}.spotlight-copy{position:relative;z-index:2}.spotlight-index{display:block;color:var(--accent-ink);font:500 10px/1 var(--mono);letter-spacing:.13em;text-transform:uppercase;margin-bottom:15px}.spotlight-copy h3{font-size:clamp(24px,3vw,36px);line-height:1.14}.spotlight-copy p{color:var(--muted);font-size:14px;line-height:1.7;margin-top:13px}.product-preview{position:relative;min-width:0;border:1px solid color-mix(in srgb,var(--line-strong) 85%,transparent);border-radius:19px;background:color-mix(in srgb,var(--surface) 94%,transparent);box-shadow:0 30px 70px -34px rgba(6,50,37,.7);transform:rotate(-1deg)}.spotlight-reverse .product-preview{transform:rotate(1deg)}.preview-bar{height:38px;display:flex;align-items:center;gap:6px;padding:0 13px;border-bottom:1px solid var(--line);background:color-mix(in srgb,var(--surface) 91%,transparent);border-radius:18px 18px 0 0}.preview-bar i{width:7px;height:7px;border-radius:50%;background:var(--line-strong)}.preview-bar span{margin-left:auto;color:var(--faint);font:500 8px/1 var(--mono);letter-spacing:.14em}.preview-stage{height:300px;overflow:hidden;border-radius:0 0 18px 18px;background:linear-gradient(145deg,#eef5f2,#fff)}.preview-stage img{display:block;width:100%;height:100%;object-fit:cover;object-position:center}.preview-scroll .preview-stage img{object-position:center 34%}.preview-translate .preview-stage img{object-position:center 14%}.preview-stage:after{content:"";position:absolute;inset:38px 0 0;pointer-events:none;background:linear-gradient(180deg,transparent 72%,color-mix(in srgb,var(--navy) 12%,transparent))}.preview-chip{position:absolute;right:16px;bottom:14px;padding:8px 11px;border:1px solid rgba(255,255,255,.45);border-radius:99px;background:color-mix(in srgb,var(--navy) 88%,transparent);color:#effff8;font:500 9px/1 var(--mono);box-shadow:0 8px 24px rgba(6,50,37,.28);backdrop-filter:blur(9px)}.trust{display:grid;grid-template-columns:1fr auto;gap:30px;align-items:center;background:var(--navy);color:#effff8;border-radius:24px;padding:40px 44px;box-shadow:var(--shadow)}.trust h2{font-size:clamp(24px,3vw,34px);margin:0 0 9px}.trust p{color:#a9c2b8;font-size:14.5px;max-width:710px}.signal{width:62px;height:62px;border-radius:20px;display:grid;place-items:center;background:rgba(57,218,158,.11);border:1px solid rgba(107,237,188,.2)}.signal:after{content:"";width:14px;height:14px;border-radius:50%;background:#48dda5;box-shadow:0 0 0 7px rgba(72,221,165,.13),0 0 28px #48dda5}.faq{max-width:820px}.faq details{border-bottom:1px solid var(--line)}.faq details:first-child{border-top:1px solid var(--line)}.faq summary{position:relative;list-style:none;cursor:pointer;padding:21px 42px 21px 0;font:600 15px/1.5 var(--display)}.faq summary::-webkit-details-marker{display:none}.faq summary:after{content:"+";position:absolute;right:4px;top:17px;color:var(--faint);font:400 24px/1 var(--body)}.faq details[open] summary:after{transform:rotate(45deg);color:var(--accent-ink)}.faq details p{color:var(--muted);font-size:14px;padding:0 42px 22px 0}
footer{border-top:1px solid var(--line)}.foot{display:flex;flex-wrap:wrap;justify-content:space-between;gap:14px;padding:32px 0;color:var(--faint);font:12px/1.5 var(--mono)}
@keyframes drift{to{transform:rotate(12deg) scale(1.04)}}
@media(max-width:900px){.hero{grid-template-columns:1fr;gap:24px;padding-top:54px}.visual{min-height:380px}.grid{grid-template-columns:1fr 1fr}.feature-spotlight,.spotlight-reverse{grid-template-columns:1fr;gap:26px}.spotlight-reverse .spotlight-copy,.spotlight-reverse .product-preview{order:initial}.preview-stage{height:330px}}
@media(max-width:620px){.wrap{width:min(100% - 30px,1120px)}.nav{height:64px}.brand-tag{display:none}.nav-link{padding:7px 10px}.lang select{max-width:110px}.hero{padding:45px 0 54px}.product-name{align-items:flex-start}.status{position:absolute;right:0;top:91px}.visual{min-height:330px}.visual:before{width:280px;height:280px}.window{width:calc(100% - 10px)}.tackpix-showcase{padding:8px 22px 64px 0}.tackpix-capture{border-radius:14px}.tackpix-pin{width:72%;border-radius:11px}.section{padding:65px 0}.grid{grid-template-columns:1fr}.card{min-height:150px}.feature-spotlight{padding:24px 20px;border-radius:21px}.spotlight-copy h3{font-size:25px}.preview-stage{height:250px}.product-preview{border-radius:16px}.preview-bar{border-radius:15px 15px 0 0}.preview-stage{border-radius:0 0 15px 15px}.trust{grid-template-columns:1fr;padding:29px 25px}.signal{display:none}}
@media(prefers-reduced-motion:reduce){html{scroll-behavior:auto}.visual:before{animation:none}.btn{transition:none}}